CN114260810A - Derusting system of steel pipe for bridge and use method of derusting system - Google Patents
Derusting system of steel pipe for bridge and use method of derusting system Download PDFInfo
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- CN114260810A CN114260810A CN202111652425.7A CN202111652425A CN114260810A CN 114260810 A CN114260810 A CN 114260810A CN 202111652425 A CN202111652425 A CN 202111652425A CN 114260810 A CN114260810 A CN 114260810A
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- rust
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Abstract
The invention belongs to the field of bridge construction, and particularly relates to a rust removal system for a steel pipe for a bridge and a use method of the rust removal system. The method is matched with a rust removal system of a steel pipe for a bridge and a use method thereof, and the rust removal system of the steel pipe for the bridge comprises a frame, wherein a rotating motor is fixedly arranged on the frame, a driving rotating shaft is fixedly arranged at the output end of the rotating motor, a sealing plate rotating shaft capable of rotating freely is arranged on the frame, a frame sealing plate is fixedly arranged on the sealing plate rotating shaft, a driven rotating shaft which is coaxial with the driving rotating shaft and capable of rotating freely is arranged on the frame sealing plate, a transverse movement mechanism is arranged on the frame, a polisher frame ring is fixedly arranged on the transverse movement mechanism, a rust filtering frame is fixedly arranged on the polisher frame ring, and an execution air bag pump is fixedly arranged between the rust filtering frame and the frame.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to a rust removal system for a steel pipe for a bridge and a use method of the rust removal system.
Background
Steel with a hollow section, the length of which is far longer than the diameter or the perimeter, is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the method is divided into a seamless steel pipe and a welded steel pipe according to the production process, wherein the seamless steel pipe is divided into a hot rolling steel pipe and a cold rolling steel pipe, and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe. After the production of current steel pipe, the surface is comparatively crude, needs to polish it, and current mode of polishing still has following problem:
1. the diameter of the steel pipe to be ground is limited to a certain extent, the application range is small, and various steel pipes are used more abundantly in bridge engineering, so that a large-range grinding device is needed more.
2. Due to the unique physical environment, namely the environment with high humidity, the steel pipe is easy to rust and pollute, and a large amount of dust and iron rust which are polished easily pollute the environment.
In conclusion, the derusting system for the bridge steel pipe and the use method thereof are designed, which can adapt to grinding of the multi-diameter steel pipe and collect dust and rust generated by grinding.
Disclosure of Invention
The invention aims to provide a rust removing system for a steel pipe for a bridge and a using method thereof, aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a rust cleaning system of steel pipe for bridge and application method thereof, this method cooperates the rust cleaning system of steel pipe for bridge to go on, and this rust cleaning system of steel pipe for bridge includes the frame, the rotation motor has set firmly in the frame, the rotation motor output has set firmly initiative pivot, be equipped with the closing plate pivot that can free rotation in the frame, the frame closing plate has set firmly in the closing plate pivot, be equipped with on the frame closing plate with the coaxial driven spindle that can free rotation of initiative pivot, be equipped with transverse motion mechanism in the frame, the last polisher frame ring that has set firmly of transverse motion mechanism, the rust frame of straining has set firmly on the polisher frame ring, strain the rust frame with the execution gasbag pump has set firmly between the frame.
Preferably, the initiative pivot with all evenly be equipped with four centre gripping hydraulic pumps respectively according to ninety degrees on the driven spindle, every centre gripping hydraulic pressure chamber has been seted up to the centre gripping hydraulic pressure pump, every centre gripping hydraulic pressure chamber is equipped with the centre gripping piston that can reciprocate to slide, every the centre gripping piston with centre gripping spring has set firmly between the centre gripping hydraulic pressure chamber, every centre gripping hydraulic stem has set firmly on the centre gripping piston, every but set firmly the centre gripping L piece of common centre gripping frame on the centre gripping hydraulic stem.
Preferably, the driving rotating shaft and the driven rotating shaft are respectively provided with a clamping hydraulic channel communicated with the clamping hydraulic cavity, and the driving rotating shaft and the driven rotating shaft are respectively provided with a clamping hydraulic port communicated with the clamping hydraulic channel.
Preferably, the apron has been set firmly in the frame, the sliding tray has been seted up to the apron, the apron is followed the central line symmetry of sliding tray has set firmly the guide rail, every be equipped with the gyro wheel that can freely roll on the guide rail, the slip pivot has set firmly altogether on the gyro wheel, the output that has set firmly slip motor in the slip pivot, be equipped with in the slip pivot can free rotation and can be in the free gliding link block of sliding tray, the link block is last to set firmly the connection home ring, the connection home ring has seted up and to supply the connection home ring logical groove that the frame removed.
Preferably, connect and to have set firmly polisher frame ring on the master ring, polisher frame ring has evenly set firmly four hydraulic pumps of polishing according to ninety degrees, every the hydraulic pressure chamber of polishing has been seted up to the hydraulic pump of polishing, every the hydraulic pressure intracavity of polishing is equipped with the piston of polishing that can reciprocating sliding, every polish the piston with polish and have set firmly the spring of polishing between the hydraulic pressure chamber, every polish and have set firmly the polishing slide bar on the piston, every polish and have set firmly the arc of polishing on the slide bar, every it can dismantle the change and polish to be equipped with on the arc of polishing the sand plate of polishing of frame surface.
Preferably, the grinding machine frame ring and each grinding hydraulic pump are provided with a grinding hydraulic pipe communicated with the grinding hydraulic cavity.
Preferably, strain the rust frame and seted up and strain the rust chamber, strain the rust frame and set up the intercommunication strain the rust chamber with external preceding air flue of straining the rust, strain the rust frame and set firmly the intercommunication strain the rust chamber with carry out the air flue after straining the rust of air bag pump, strain the rust chamber and set firmly and strain the rust board, strain evenly to set up a plurality of rust through-holes of straining that can filter the rust on the rust board.
Preferably, the rust filtering frame is fixedly provided with a rust collecting cover capable of collecting rust particles.
Preferably, the rust filtering machine frame is fixedly provided with a rust collecting box, and the rust collecting box and the rust filtering machine frame are provided with rust collecting channels for communicating an inner cavity of the rust collecting box with the rust filtering cavity.
Has the advantages that:
the invention provides a derusting system of a steel pipe for a bridge and a use method thereof by improvement, compared with the prior art, the derusting system has the following improvements and advantages:
1. through the mutual cooperation of the clamping L block, the clamping hydraulic rod, the clamping hydraulic pump, the clamping hydraulic cavity, the clamping piston, the clamping spring, the polishing sand plate, the polishing arc plate, the polishing slide rod, the polishing hydraulic pump, the polishing hydraulic cavity, the polishing piston and the polishing spring, the polishing of different-caliber steel pipes can be realized.
2. The aim of timely collecting scrap iron in the polishing process can be achieved by executing linkage matching of the air bag pump, the rust filtering rack, the polishing machine rack ring, the connecting main ring and the auxiliary mechanism of the connecting main ring.
Drawings
FIG. 1 is a workflow diagram of the present design;
FIG. 2 is a front cross-sectional view of the present design;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is an enlarged view of a portion of FIG. 2 at D;
FIG. 7 is an enlarged view of a portion of FIG. 2 at E;
in the figure, a frame 10, a steel pipe 11, a rotary motor 12, a driving rotary shaft 13, a cover plate 14, a guide rail 15, a sliding groove 16, a roller 17, a sliding rotary shaft 18, a connecting slide block 19, a connecting main ring 20, a connecting main ring through groove 21, a frame closing plate 22, a closing plate rotary shaft 23, a polishing hydraulic pipe 24, a polishing hydraulic pump 25, a polishing spring 26, a polishing slide rod 27, a polishing arc plate 28, a polishing sand plate 29, a polishing hydraulic cavity 30, a polishing piston 31, a polishing frame ring 32, a clamping L block 33, a clamping hydraulic pump 34, a driven rotary shaft 35, a clamping hydraulic rod 36, a sliding motor 37, a rust collecting channel 38, a rust filtering through hole 39, a rust filtering plate 40, a rust filtering air channel 41, an execution air bag pump 42, a rust filtering frame 43, a rust filtering cavity 44, a rust air channel 45 before filtering, a rust collecting cover 46, a rust collecting box 47, a clamping hydraulic cavity 48, a clamping hydraulic channel 49, a clamping spring 50, a clamping piston 51, a rust collecting box 51, a clamping hydraulic channel 50, a clamping hydraulic channel and a clamping hydraulic channel, Holding the hydraulic port 52.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 2, the method is performed by matching with a derusting system for steel pipes for bridges, and the derusting system for steel pipes for bridges comprises a frame 10, wherein a rotary motor 12 is fixedly arranged on the frame 10, a driving rotary shaft 13 is fixedly arranged at the output end of the rotary motor 12, a closing plate rotary shaft 23 capable of rotating freely is arranged on the frame 10, a frame closing plate 22 is fixedly arranged on the closing plate rotary shaft 23, a driven rotary shaft 35 capable of rotating freely and coaxial with the driving rotary shaft 13 is arranged on the frame closing plate 22, a transverse movement mechanism is arranged on the frame 10, a grinding machine frame ring 32 is fixedly arranged on the transverse movement mechanism, a rust filtering frame 43 is fixedly arranged on the grinding machine frame ring 32, and an execution air bag pump 42 is fixedly arranged between the rust filtering frame 43 and the frame 10.
As shown in fig. 2 and 7, four clamping hydraulic pumps 34 are uniformly arranged on the driving rotating shaft 13 and the driven rotating shaft 35 according to ninety degrees, each clamping hydraulic pump 34 is provided with a clamping hydraulic cavity 48, each clamping hydraulic cavity 48 is provided with a clamping piston 51 capable of sliding back and forth, a clamping spring 50 is fixedly arranged between each clamping piston 51 and the clamping hydraulic cavity 48, each clamping piston 51 is fixedly provided with a clamping hydraulic rod 36, and each clamping hydraulic rod 36 is fixedly provided with a clamping L block 33 capable of clamping the rack 10 together.
As shown in fig. 2 and 7, the driving rotating shaft 13 and the driven rotating shaft 35 are respectively provided with a clamping hydraulic passage 49 communicated with the clamping hydraulic chamber 48, and the driving rotating shaft 13 and the driven rotating shaft 35 are respectively provided with a clamping hydraulic port 52 communicated with the clamping hydraulic passage 49.
As shown in fig. 2 and 4, a cover plate 14 is fixedly arranged on a rack 10, the cover plate 14 is provided with a sliding groove 16, guide rails 15 are symmetrically and fixedly arranged on the cover plate 14 along a center line of the sliding groove 16, each guide rail 15 is provided with a roller 17 capable of rolling freely, sliding rotating shafts 18 are fixedly arranged on the roller 17, an output end of a sliding motor 37 is fixedly arranged on each sliding rotating shaft 18, each sliding rotating shaft 18 is provided with a connecting slide block 19 capable of rotating freely and sliding freely in the sliding groove 16, a connecting main ring 20 is fixedly arranged on each connecting slide block 19, and the connecting main ring 20 is provided with a connecting main ring through groove 21 capable of allowing the rack 10 to move.
As shown in fig. 2, 3 and 6, a grinding machine frame ring 32 is fixedly arranged on the connecting main ring 20, four grinding hydraulic pumps 25 are uniformly and fixedly arranged on the grinding machine frame ring 32 according to ninety degrees, a grinding hydraulic chamber 30 is formed in each grinding hydraulic pump 25, a grinding piston 31 capable of sliding back and forth is arranged in each grinding hydraulic chamber 30, a grinding spring 26 is fixedly arranged between each grinding piston 31 and each grinding hydraulic chamber 30, a grinding slide rod 27 is fixedly arranged on each grinding piston 31, a grinding arc-shaped plate 28 is fixedly arranged on each grinding slide rod 27, and a grinding sand plate 29 which can be detached, replaced and used for grinding the outer surface of the rack 10 is arranged on each grinding arc-shaped plate 28.
As shown in fig. 2, 3 and 6, the grinding machine frame ring 32 and each grinding hydraulic pump 25 are opened with a grinding hydraulic pipe 24 communicating with the grinding hydraulic chamber 30.
As shown in fig. 2 and 5, the rust filtering frame 43 is provided with a rust filtering cavity 44, the rust filtering frame 43 is provided with a rust filtering front air passage 45 communicating the rust filtering cavity 44 with the outside, the rust filtering frame 43 is fixedly provided with a rust filtering rear air passage 41 communicating the rust filtering cavity 44 with the execution air bag pump 42, the rust filtering cavity 44 is fixedly provided with a rust filtering plate 40, and the rust filtering plate 40 is uniformly provided with a plurality of rust filtering through holes 39 capable of filtering rust.
As shown in FIG. 5, a rust collecting cover 46 for collecting rust particles is fixed on the rust filter frame 43.
As shown in fig. 5, the rust filtering frame 43 is fixedly provided with a rust collecting box 47, and the rust collecting box 47 and the rust filtering frame 43 are provided with a rust collecting channel 38 for communicating the inner cavity of the rust collecting box 47 with the rust filtering cavity 44.
Initial position: the roller 17, the sliding rotating shaft 18, the connecting slide block 19 and the linkage mechanism thereof are positioned on the side of the cover plate 14 far away from the frame closing plate 22. The clamping hydraulic ports 52 are respectively connected with a hydraulic control system. The grinding hydraulic pipe 24 is connected to the same hydraulic control system.
The concrete use steps of the derusting system of the steel pipe for the bridge are as follows:
the first step is as follows: sandwiching the steel pipe. The clamping hydraulic port 52 on the driving rotating shaft 13 is connected with hydraulic oil, the hydraulic oil enters the clamping hydraulic cavity 48 of the clamping hydraulic pump 34 through the clamping hydraulic passage 49, and the pushed clamping piston 51 drives the clamping hydraulic rod 36 to overcome the resistance of the clamping spring 50, so that the clamping L block 33 clamps one end of the steel pipe 11. The frame closing plate 22 is rotated about the closing plate rotation axis 23 to close the frame 10. The clamping hydraulic port 52 on the driven rotating shaft 35 is connected with hydraulic oil, the hydraulic oil enters the clamping hydraulic cavity 48 of the clamping hydraulic pump 34 through the clamping hydraulic passage 49, and the pushed clamping piston 51 drives the clamping hydraulic rod 36 to overcome the resistance of the clamping spring 50, so that the clamping L block 33 clamps the other end of the steel pipe 11.
The second step is that: and (5) polishing the outside of the steel pipe. The grinding hydraulic pipe 24 is connected with hydraulic oil, the hydraulic oil enters the grinding hydraulic cavity 30 of the grinding hydraulic pump 25 through the grinding hydraulic pipe 24 to push the grinding piston 31 to drive the grinding slide rod 27 to move to overcome the resistance of the grinding spring 26, the grinding slide rod 27 drives the grinding arc-shaped plate 28 to move, the grinding slide rod 27 drives the grinding sand plate 29 to move, and finally the grinding sand plate 29 abuts against the outer surface of the steel pipe 11. The rotating motor 12 is powered on and starts, and drives the steel pipe 11 to enable the steel pipe to have loudness to grind the sand plate 29 to rotate relatively through the clamping mechanism. Meanwhile, the sliding motor 37 is powered on to start, the sliding motor 37 drives the sliding rotating shaft 18 to rotate, the sliding rotating shaft 18 drives the roller 17 to rotate, the rotation of the roller 17 drives the sliding rotating shaft 18 to displace, the sliding rotating shaft 18 drives the connecting sliding block 19 to slide in the sliding groove 16, and the sliding groove 16 drives the connecting main ring 20 to displace. The main connecting ring 20 drives the grinding machine frame ring 32 to move, and the outer surface of the steel pipe 11 is ground.
The third step: and collecting scrap iron. With the movement of the sander frame ring 32, the sander frame ring 32 moves the rust filter frame 43. The rust filter frame 43 drives the execution air bag pump 42 to gradually change from a compressed state to an expanded state, so that adsorption air flow is generated. The grinded scrap iron enters the rust filtering front air passage 45 into the rust filtering cavity 44 of the rust filtering machine frame 43 under the action of the rust collecting cover 46. And is blocked by the rust filtering plate 40 and the rust filtering through holes 39 and finally collected into the rust collecting box 47 through the rust collecting channel 38.
The fourth step: and (5) taking down the steel pipe. The clamping hydraulic port 52 on the driven rotating shaft 35 draws back hydraulic oil, the hydraulic oil is discharged from the clamping hydraulic cavity 48 of the clamping hydraulic pump 34 through the clamping hydraulic passage 49, and the clamping piston 51 drives the clamping hydraulic rod 36 and the clamping L block 33 to release one end of the steel pipe 11 under the action of the clamping spring 50. The frame closing plate 22 is rotated about the closing plate rotation axis 23 to open the frame 10. The clamping hydraulic port 52 on the driving rotating shaft 13 draws back hydraulic oil, the hydraulic oil is discharged from the clamping hydraulic cavity 48 of the clamping hydraulic pump 34 through the clamping hydraulic passage 49, and the clamping piston 51 drives the clamping hydraulic rod 36 and the clamping L block 33 to release the other end of the steel pipe 11 under the action of the clamping spring 50. And finally the steel pipe is taken down.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a rust cleaning system of steel pipe for bridge and application method thereof, this method cooperates the rust cleaning system of steel pipe for bridge to go on, and this rust cleaning system of steel pipe for bridge includes frame (10), rotary motor (12) has set firmly on frame (10), rotary motor (12) output has set firmly initiative pivot (13), be equipped with can free rotation's closing plate pivot (23) on frame (10), set firmly frame closing plate (22) on closing plate pivot (23), be equipped with on frame closing plate (22) with the coaxial driven spindle (35) that can free rotation of initiative pivot (13), be equipped with transverse motion mechanism on frame (10), the last polisher frame ring (32) that has set firmly of transverse motion mechanism, the last rust filtering frame (43) that has set firmly of polisher frame ring (32), an execution air bag pump (42) is fixedly arranged between the rust filtering rack (43) and the rack (10).
2. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 1 are characterized in that: initiative pivot (13) with all evenly be equipped with four centre gripping hydraulic pumps (34) according to ninety degrees respectively on driven spindle (35), every centre gripping hydraulic pump (34) have been seted up centre gripping hydraulic chamber (48), every centre gripping hydraulic chamber (48) are equipped with reciprocating sliding's centre gripping piston (51), every centre gripping piston (51) with centre gripping spring (50) have set firmly between centre gripping hydraulic chamber (48), every centre gripping hydraulic stem (36) have set firmly on centre gripping piston (51), every centre gripping L piece (33) that can centre gripping frame (10) jointly have set firmly on centre gripping hydraulic stem (36).
3. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 2 are characterized in that: the driving rotating shaft (13) and the driven rotating shaft (35) are respectively provided with a clamping hydraulic channel (49) communicated with the clamping hydraulic cavity (48), and the driving rotating shaft (13) and the driven rotating shaft (35) are respectively provided with a clamping hydraulic port (52) communicated with the clamping hydraulic channel (49).
4. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 1 are characterized in that: the utility model discloses a motor vehicle sliding structure, including frame (10), apron (14) have been set firmly on frame (10), sliding tray (16) have been seted up to apron (14), apron (14) are followed the central line symmetry of sliding tray (16) has set firmly guide rail (15), every be equipped with on guide rail (15) can free rolling gyro wheel (17), sliding shaft (18) have set firmly altogether on gyro wheel (17), sliding shaft (18) are last to set firmly the output of slip motor (37), be equipped with on sliding shaft (18) can free rotation and can be in sliding tray (16) free gliding link block (19), link block (19) are last to set firmly connection main ring (20), connect main ring (20) and set up and to supply the connection main ring that frame (10) removed leads to groove (21).
5. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 4 are characterized in that: connect and to have set firmly polisher frame ring (32) on main ring (20), polisher frame ring (32) evenly has set firmly four hydraulic pump (25) of polishing according to ninety degrees, every hydraulic pump (25) of polishing has seted up polishing hydraulic chamber (30), every be equipped with piston (31) of polishing that can reciprocating sliding in polishing hydraulic chamber (30), every polish piston (31) with polishing spring (26) have set firmly between hydraulic chamber (30), every polish and have set firmly on piston (31) and polish and change slide bar (27), every polish and have set firmly on change slide bar (27) and polish arc (28), every it can dismantle the change and polish to be equipped with on arc (28) of polishing sand plate (29) of frame (10) surface.
6. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 5 are characterized in that: and the grinding machine frame ring (32) and each grinding hydraulic pump (25) are provided with grinding hydraulic pipes (24) communicated with the grinding hydraulic cavities (30).
7. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 1 are characterized in that: strain rust frame (43) and seted up and strain rust chamber (44), strain rust frame (43) and seted up the intercommunication strain rust chamber (44) and external preceding air flue (45) of straining rust, strain rust frame (43) and set firmly the intercommunication strain rust chamber (44) with carry out air flue (41) after straining the rust of air bag pump (42), strain rust chamber (44) and set firmly and strain rust board (40), strain evenly to set up a plurality of rust through-holes (39) of straining that can filter the rust on rust board (40).
8. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 1 are characterized in that: and the rust filtering frame (43) is fixedly provided with a rust collecting cover (46) capable of collecting rust particles.
9. The rust removal system for the steel pipe for the bridge and the use method thereof according to claim 1 are characterized in that: strain rust frame (43) and set firmly collection rust case (47), collection rust case (47) with strain rust frame (43) and seted up the intercommunication collection rust case (47) inner chamber with strain rust chamber (44) collection rust way (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111652425.7A CN114260810A (en) | 2021-12-30 | 2021-12-30 | Derusting system of steel pipe for bridge and use method of derusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111652425.7A CN114260810A (en) | 2021-12-30 | 2021-12-30 | Derusting system of steel pipe for bridge and use method of derusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114260810A true CN114260810A (en) | 2022-04-01 |
Family
ID=80831847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111652425.7A Withdrawn CN114260810A (en) | 2021-12-30 | 2021-12-30 | Derusting system of steel pipe for bridge and use method of derusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114260810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603454A (en) * | 2022-05-11 | 2022-06-10 | 烟台卓越电子五金有限公司 | Special-shaped spring polishing equipment |
-
2021
- 2021-12-30 CN CN202111652425.7A patent/CN114260810A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603454A (en) * | 2022-05-11 | 2022-06-10 | 烟台卓越电子五金有限公司 | Special-shaped spring polishing equipment |
| CN114603454B (en) * | 2022-05-11 | 2022-08-09 | 烟台卓越电子五金有限公司 | Special-shaped spring polishing equipment |
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Application publication date: 20220401 |